16390+5040 CVR1669

 
 
16h 39m 01.20s +50 39' 49.6" P.A. 24 sep 4.9 mag 17.20,17.80 Sp M2+M3
 
 
Coord 2000
16390+5040
Discov num
CVR1669
Comp
Coord arcsec 2000
16 39 01.20 +50 39 49.6
Date first
1998
Date last
2010
Obs
3
Pa first
23
Pa last
24
P.A. Now (θ)
24°
Sep first
4.8
Sep last
4.9
Sep. Now (ρ)
4.9"
Mag pri
17.20
Mag sec
17.80
delta mag (ΔM)
0.6
Spectral class
M2+M3 (red/red)
Pri motion ra
-017
Sec motion ra
Pri motion dec
+016
Sec motion dec
Notes
R (Red magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
23.5
Precise sep
4.85
Cdsa2 id
CVR 1669
Constellation
Hercules
Ra deg
16.650333333333332
De deg
50.663777777777774
last precise pa
23.5
last precise sep
4.85
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16390+5040 CVR1669 2003 2 23 4.8 17.20 17.80 M2+M3 R 163901.20+503949.6
16390+5040 CVR1669 2010 3 24 4.9 17.20 17.80 M2+M3 R 163901.20+503949.6

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